A354861 - OEIS

A354861

Base-n digit sum of A002034(n)!.

1, 2, 3, 8, 1, 12, 3, 16, 3, 30, 2, 48, 22, 8, 15, 80, 6, 126, 6, 20, 63, 198, 1, 24, 50, 50, 18, 364, 4, 360, 20, 64, 165, 8, 20, 432, 182, 92, 3, 520, 38, 504, 72, 16, 225, 690, 15, 96, 56, 250, 105, 988, 42, 108, 35, 280, 399, 1334, 2, 1500, 524, 18, 63, 128, 105, 1650, 227, 340, 3, 2030, 10, 2160, 853, 62

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OFFSET

2,2

LINKS

Table of n, a(n) for n=2..75.

PROG

(PARI) \\ define the function a002034(n) as in A002034

a354861(n) = sumdigits(a002034(n)!, n); \\ Felix Fröhlich, Jun 09 2022

(Python) # uses A002034(n)

from math import factorial

from sympy.ntheory.digits import digits

def a(n): return sum(digits(factorial(A002034(n)), n)[1:])